{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73513",
    "entityType": "User",
    "nonce": "0x9e85fac49953b019cff2f0e9c6f20d2e58ac04a998fc7579198b602f4d61ee90",
    "signature": "0xd3d3dc1e182d0126363e9d49d0c803946e0d57c419d4d3b5162b6db3b652203a564ac4592ff1674843ca4b8fa33ec0214c28e15113d4dab1753ccec6459f98be1c",
    "signer": "0xcED3bB41dC25f9Ee71c86D77eF68b745550f8C9B",
    "userId": "593392725"
  }
}